BGA Probe Boards; Part Description: BGA Probe Board; Top Package Code: BGA420B1; Top Pitch (mm): 1.27; Bottom Pitch (mm): 1.27; Top Pin Count: 420; Bottom Pin Count: 420; Top Array Size: 26 x 26; Bottom Array Size: 26 x 26; Top Interface: MGA MALE PINS; Bottom Interface: MGA FEMALE Receptacle; Header Spacing (mm): 1.27 x 2.54; Compatible Part 1: SF-BGA420B-B-11; Compatible Part 2: LS-BGA420B-02; Compatible Part 3: N/A; Adapter Size Length X Width (in.): 3.55 x 3.3; Socket Type: -;